Zyxel’s work is never done to ensure our product evolves and adapts to you. With this major update to USG FLEX series, we are taking the next step on our journey, focusing our innovation on providing advanced threat protection solutions to you, making your business network more secure.Now USG FLEX, newly empowered by Gold Security Pack license options, is coming stronger now by the capability to add another two layers of security to protect your business fortress. Gold Security Pack not only unleashes Sandboxing service against everything unknown but also Reputation Filter service to block malicious botnets.